Fixed stupid eigen not downloadable error by moving eigen onto another website.

scripts/cmake/ExternalProjectEigen.cmake

+INCLUDE(ExternalProject)
 IF(EIGEN3_FOUND AND EIGEN3_INCLUDE_DIR)
 	RETURN()
 ENDIF()
@@ -16,7 +17,7 @@ ENDIF()
 
 ExternalProject_Add(Eigen
 	PREFIX ${CMAKE_BINARY_DIR}/External/eigen
-	URL http://bitbucket.org/eigen/eigen/get/3.1.4.tar.gz
+	URL http://opengeosys.org/images/dev/eigen-3.1.4.tar.gz
 	URL_MD5 43f03a7b90e1214195197957bb7394d1
 	UPDATE_COMMAND ""
 	CONFIGURE_COMMAND ""